<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .list {
      width: 200px;
      height: 150px;
      background-color: skyblue;
      overflow: auto;
    }
    .news {
      height: 30px;
    }
  </style>
</head>
<body>
  <div class="test">
    <div class="news">新闻7</div>
    <div class="news">新闻6</div>
    <div class="news">新闻5</div>
    <div class="news">新闻4</div>
    <div class="news">新闻3</div>
    <div class="news">新闻2</div>
    <div class="news">新闻1</div>
  </div>
</body>
</html>